2023 Chevrolet Silverado 2500 Technical Service Bulletins

770 technical service bulletins (TSBs) are on record for the 2023 Chevrolet Silverado 2500. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10240185Jul 26, 2023Transmission and drivetrain. This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
• 10239656Jul 25, 2023Electrical system. Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain vehicles listed, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the…
• 10239647Jul 21, 2023Transmission and drivetrain. This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
• 10239670Jul 20, 2023Wheels, Electrical system, Tires. This service bulletin advises the technician of a different tire/rim option that can be used to correct a customer concern of poor ride quality at highway speeds.
• 10239674Jul 18, 2023Fuel system, Electrical system, Engine cooling. This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL.
• 10239755Jul 17, 2023Seat belts. This service bulletin provides information on availability for a seat belt extender.
• 10239658Jul 17, 2023Equipment. This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
• 10239633Jul 14, 2023Engine cooling. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
• 10239629Jul 13, 2023Exterior lighting, Electrical system. This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
• 10239645Jul 12, 2023Electrical system, Equipment. This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME) FAQs.
• 10239638Jul 12, 2023Equipment, Electrical system. This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.
• 10239124Jun 30, 2023Body and structure. This service bulletin provides information on Paintless Dent Repair Process.
• 10239116Jun 30, 2023Equipment, Electrical system. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
• 10239113Jun 30, 2023Equipment, Exterior lighting, Electrical system, Engine cooling. This service bulletin provides information for dealers/technicians on New Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
• 10239101Jun 30, 2023Engine cooling. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10239121Jun 29, 2023Body and structure, Electrical system. This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.
• 10239112Jun 29, 2023Air bags, Electrical system. This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion.
• 10239103Jun 29, 2023Transmission and drivetrain. This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
• 10239102Jun 29, 2023Electrical system. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
• 10239179Jun 26, 2023Transmission and drivetrain. This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case.
• 10239171Jun 20, 2023Back-over prevention (rear camera). This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
• 10239090Jun 20, 2023Electrical system, Fuel system, Equipment. This technical bulletin provides repair information to correct a customer concern of Fuel Range Blank on Instrument Panel.
• 10239087Jun 19, 2023Engine cooling. This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
• 10237852Jun 19, 2023Electrical system. Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore…
• 10239164Jun 16, 2023Transmission and drivetrain. This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case.
• 10239048Jun 16, 2023Electrical system. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
• 10238190Jun 14, 2023Equipment. This service bulletin describes the U.S. Dealer Special Tool Loan Program process.
• 10239039Jun 12, 2023Equipment, Electrical system. This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
• 10237960Jun 8, 2023Equipment. This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
• 10239150Jun 7, 2023Transmission and drivetrain. This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case.
• 10237935Jun 7, 2023Engine cooling. This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
• 10237846Jun 7, 2023Engine cooling, Transmission and drivetrain. This service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or MIL ON due to aftermarket oil bath air filter use.
• 10237941Jun 5, 2023Engine cooling. This informational bulletin advises the tech on how to check for possible exhaust leaks.
• 10237321Jun 5, 2023Electrical system. Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park…
• 10237843Jun 1, 2023Electrical system, Equipment, Back-over prevention (rear camera). This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues - DTCs B395A, B395B, B395C, B101E, B101D.
• 10237841Jun 1, 2023Equipment. This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
• 10237387May 30, 2023Transmission and drivetrain. This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
• 10236608May 24, 2023Equipment. Customer Satisfaction Program - certain may have been charged twice for option “Assist Step”. Dealers are to reimburse customers who were double charged.
• 10237682May 23, 2023Air bags. This Preliminary information communicates to the dealer technician that engineering is aware of a concern with the teen driver feature not operating.
• 10237675May 22, 2023Steering, Back-over prevention (rear camera), Transmission and drivetrain. This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
• 10237673May 22, 2023Equipment. This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed.
• 10237349May 22, 2023Equipment. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 10237340May 22, 2023Wheels. This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
• 10237232May 17, 2023Fuel system, Electrical system, Engine cooling. This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
• 10237657May 12, 2023Suspension. This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacting the grill shutters as they open and close.
• 10236321May 12, 2023Equipment, Body and structure. This technical bulletin provides repair information to correct a customer concern of the foam strip between the I/P trim and base of the windshield detaching from the upper I/P trim panel.
• 10235625May 4, 2023Electrical system. Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers…
• 10236041May 3, 2023Exterior lighting. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
• 10235799Apr 27, 2023Wheels. This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.
• 10236167Apr 25, 2023Other or unknown, Electrical system. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system…

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